Home / 1,410,653.69-2,115,705-450,851.83

Finding the Fourth Proportional to 1,410,653.69, 2,115,705 and 450,851.83

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Solution

The fourth proportional to 1,410,653.69, 2,115,705 and 450,851.83 is: 676,189.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410,653.69 : 2,115,705 = 450,851.83 : x
  2. Step 2: Convert to fraction form
    1,410,653.69/2,115,705 = 450,851.83/x
  3. Step 3: Cross multiply
    1,410,653.69x = 2,115,705 × 450,851.83
  4. Step 4: Simplify right side
    1,410,653.69x = 953,869,470,990.15
  5. Step 5: Solve for x
    x = 953,869,470,990.15/1,410,653.69
  6. Step 6: Final answer
    x = 676,189.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.